Apophyllite and Smithsonite Physical Properties

Apophyllite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.504.00-4.65

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Perfect on (001)

Perfect on [1011]

1.7 Mohs Hardness

4.5-55-5.5

2 10

1.8 Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite and Smithsonite Chemical Formula

While comparing Apophyllite and Smithsonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Apophyllite and Smithsonite chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Apophyllite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.